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[nrf fromtree] boot: zephyr: RAM cleanup debug loop #460

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Merged
merged 7 commits into from
Jul 16, 2025
Merged

[nrf fromtree] boot: zephyr: RAM cleanup debug loop #460

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4d55298
Revert "[nrf noup] bootutil: key revocation"
michalek-no Jul 15, 2025
b062109
Revert "[nrf noup] boot: bootutil: Allow configuring number of KMU keys"
michalek-no Jul 15, 2025
bc7e278
Revert "[nrf noup] bootutil: Add support for KMU stored ED25519 signa…
michalek-no Jul 15, 2025
540cd9f
[nrf fromtree] boot: zephyr: RAM cleanup debug loop
michalek-no Jul 2, 2025
12d5718
[nrf noup] bootutil: Add support for KMU stored ED25519 signature key
de-nordic Sep 20, 2024
10cbcfd
[nrf noup] boot: bootutil: Allow configuring number of KMU keys
nordicjm Dec 2, 2024
549af98
[nrf noup] bootutil: key revocation
michalek-no Mar 17, 2025
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7 changes: 7 additions & 0 deletions boot/zephyr/Kconfig
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Original file line number Diff line number Diff line change
Expand Up @@ -413,6 +413,13 @@ config MCUBOOT_CLEANUP_RAM
help
Sets contents of memory to 0 before jumping to application.

config MCUBOOT_INFINITE_LOOP_AFTER_RAM_CLEANUP
bool "Infinite loop after RAM cleanup"
depends on MCUBOOT_CLEANUP_RAM
help
Verification option that keeps execution in infinite loop after
RAM cleanup has been performed.

# Disable MBEDTLS from being selected if NRF_SECURITY is enabled, and use default NRF_SECURITY
# configuration file for MBEDTLS
config MBEDTLS
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3 changes: 3 additions & 0 deletions boot/zephyr/main.c
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Expand Up @@ -294,6 +294,9 @@ static void do_boot(struct boot_rsp *rsp)
" b clear\n"
"out:\n"
" dsb\n"
#if CONFIG_MCUBOOT_INFINITE_LOOP_AFTER_RAM_CLEANUP
" b out\n"
#endif /*CONFIG_MCUBOOT_INFINITE_LOOP_AFTER_RAM_CLEANUP */
/* jump to reset vector of an app */
" bx r0\n"
:
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